include cstdint for int*_t in profiler

[chengscott]

The conv2d profiler can be built well with gcc-12.
But, when switching to gcc-13, compilation failed with error listed below.
This error may caused by reduced usage of cstdint header (https://gcc.gnu.org/gcc-13/porting_to.html)
This PR fixes the error by adding the cstdint header.

2024-05-01 18:20:30,972 INFO <aitemplate.backend.builder> make stderr:

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(24): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(46): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(68): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(90): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(112): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(134): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(156): error: identifier "uint8_t" is undefined
    uint8_t*,
    ^

conv2d_bias_relu/temp_bfe88629c48a2a08697feb310392b6d3f905c152.cu(178): error: identifier "uint8_t" is undefined
    uint8_t*,
...

[ColinPeppler]

Hi @chengscott,

can we also explicitly mark the namespace int*_t is coming from? maybe using std::int8_t;?

[chengscott]

Sure, updated.

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[chenyang78]

@chengscott Thank you for sending the patch! It caused some issue in our internal CI. Will get you back later.